OpenTechnical

OT-2026-000092902

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000092902) never changes.

Identity and time

Publication numberOT-2026-000092902 · never reused
Internal UUID01a0ae9e-090e-76e8-8ce6-f748a3c9335e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092902
StatusPUBLIC

Content hashes

Canonical texte2b2fcb441b2dd8814b22fb4fcce622831157bd1c0d18cdfd59235c998d276bc
Markdown9b209eb36a6156642487fa85fad1b00580498955a8ae436753e59e181d998a76
PDF
Publication pagee854d5d363a9e79aeff43f463640749fff682216e39fcd62c4566dfe9ebc608b
Manifest6dae7e14847049f07081721abe86cb2279f9d4c6ffaebe7d06a8a86b55b3ca2f

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureWOD91zXDDZ7nYElHo4eanmcGzH0a/Oa5B6tuhrOgfbSNEK22saMYw8BQ1Ku0uB5upVw1PH7fiQPVDZnyIduZAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:00.965371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092902
observed e854d5d363a9e79aeff43f463640749f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.947091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092902/manifest.json
observed 6dae7e14847049f07081721abe86cb22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.928085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092902/publication.md
observed 9b209eb36a6156642487fa85fad1b005...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.908197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092902/publication.txt
observed e2b2fcb441b2dd8814b22fb4fcce6228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.